47397143 has 2 divisors, whose sum is σ = 47397144. Its totient is φ = 47397142.

The previous prime is 47397127. The next prime is 47397149. The reversal of 47397143 is 34179374.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47397143 - 2⁴ = 47397127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47397097 and 47397106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47397149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23698571 + 23698572.

It is an arithmetic number, because the mean of its divisors is an integer number (23698572).

Almost surely, 2^47397143 is an apocalyptic number.

47397143 is a deficient number, since it is larger than the sum of its proper divisors (1).

47397143 is an equidigital number, since it uses as much as digits as its factorization.

47397143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 38.

The square root of 47397143 is about 6884.5583010096. The cubic root of 47397143 is about 361.8962264737.

The spelling of 47397143 in words is "forty-seven million, three hundred ninety-seven thousand, one hundred forty-three".